1 /*-
2 * Copyright (c) 2016 Stanislav Galabov.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: releng/12.0/sys/mips/mediatek/mtk_pcie.h 297850 2016-04-12 07:21:22Z sgalabov $
27 */
28 #ifndef __MTK_PCIE_H__
29 #define __MTK_PCIE_H__
30
31 #define MTK_PCI_NIRQS 3
32 #define MTK_PCI_BASESLOT 0
33
34 struct mtk_pci_softc {
35 device_t sc_dev;
36
37 struct resource * pci_res[MTK_PCI_NIRQS + 1];
38 void * pci_intrhand[MTK_PCI_NIRQS];
39
40 int sc_busno;
41 int sc_cur_secbus;
42
43 struct rman sc_mem_rman;
44 struct rman sc_io_rman;
45 struct rman sc_irq_rman;
46
47 uint32_t sc_num_irq;
48 uint32_t sc_irq_start;
49 uint32_t sc_irq_end;
50
51 bus_addr_t sc_mem_base;
52 bus_addr_t sc_mem_size;
53
54 bus_addr_t sc_io_base;
55 bus_addr_t sc_io_size;
56
57 struct intr_event *sc_eventstab[MTK_PCI_NIRQS];
58
59 uint32_t pcie_link_status;
60 uint32_t num_slots;
61 uint32_t socid;
62 uint32_t addr_mask;
63 };
64
65 #define MTK_PCI_PCICFG 0x0000
66 #define MTK_PCI_RESET (1<<1)
67 #define MTK_PCI_PCIINT 0x0008
68 #define MTK_PCI_PCIENA 0x000C
69 #define MTK_PCI_CFGADDR 0x0020
70 #define MTK_PCI_CFGDATA 0x0024
71 #define MTK_PCI_MEMBASE 0x0028
72 #define MTK_PCI_IOBASE 0x002C
73 #define MTK_PCI_ARBCTL 0x0080
74 #define MTK_PCI_PHY0_CFG 0x0090
75
76 #define MTK_PCI_PCIE0_BAR0SETUP 0x2010
77 #define MTK_PCI_PCIE0_BAR1SETUP 0x2014
78 #define MTK_PCI_PCIE0_IMBASEBAR0 0x2018
79 #define MTK_PCI_PCIE0_ID 0x2030
80 #define MTK_PCI_PCIE0_CLASS 0x2034
81 #define MTK_PCI_PCIE0_SUBID 0x2038
82 #define MTK_PCI_PCIE0_STATUS 0x2050
83 #define MTK_PCI_PCIE0_DLECR 0x2060
84 #define MTK_PCI_PCIE0_ECRC 0x2064
85
86 #define MTK_PCIE_BAR0SETUP(_s) (MTK_PCI_PCIE0_BAR0SETUP + (_s)*0x1000)
87 #define MTK_PCIE_BAR1SETUP(_s) (MTK_PCI_PCIE0_BAR1SETUP + (_s)*0x1000)
88 #define MTK_PCIE_IMBASEBAR0(_s) (MTK_PCI_PCIE0_IMBASEBAR0 + (_s)*0x1000)
89 #define MTK_PCIE_ID(_s) (MTK_PCI_PCIE0_ID + (_s)*0x1000)
90 #define MTK_PCIE_CLASS(_s) (MTK_PCI_PCIE0_CLASS + (_s)*0x1000)
91 #define MTK_PCIE_SUBID(_s) (MTK_PCI_PCIE0_SUBID + (_s)*0x1000)
92 #define MTK_PCIE_STATUS(_s) (MTK_PCI_PCIE0_STATUS + (_s)*0x1000)
93
94 #define MTK_PCIE0_IRQ 20
95 #define MTK_PCIE1_IRQ 21
96 #define MTK_PCIE2_IRQ 22
97
98 #define MTK_PCI_INTR_PIN 2
99
100 /* Chip specific defines */
101 #define MT7620_MAX_RETRIES 10
102 #define MT7620_PCIE_PHY_CFG 0x90
103 #define PHY_BUSY (1<<31)
104 #define PHY_MODE_WRITE (1<<23)
105 #define PHY_ADDR_OFFSET 8
106 #define MT7620_PPLL_CFG0 0x98
107 #define PPLL_SW_SET (1<<31)
108 #define MT7620_PPLL_CFG1 0x9c
109 #define PPLL_PD (1<<26)
110 #define PPLL_LOCKED (1<<23)
111 #define MT7620_PPLL_DRV 0xa0
112 #define PDRV_SW_SET (1<<31)
113 #define LC_CKDRVPD (1<<19)
114 #define LC_CKDRVOHZ (1<<18)
115 #define LC_CKDRVHZ (1<<17)
116 #define MT7620_PERST_GPIO_MODE (3<<16)
117 #define MT7620_PERST (0<<16)
118 #define MT7620_GPIO (2<<16)
119 #define MT7620_PKG_BGA (1<<16)
120
121 #define MT7628_PERST_GPIO_MODE (1<<16)
122 #define MT7628_PERST (0<<16)
123
124 #define MT7621_PERST_GPIO_MODE (3<<10)
125 #define MT7621_PERST_GPIO (1<<10)
126 #define MT7621_UARTL3_GPIO_MODE (3<<3)
127 #define MT7621_UARTL3_GPIO (1<<3)
128 #define MT7621_PCIE0_RST (1<<19)
129 #define MT7621_PCIE1_RST (1<<8)
130 #define MT7621_PCIE2_RST (1<<7)
131 #define MT7621_PCIE_RST (MT7621_PCIE0_RST | MT7621_PCIE1_RST | \
132 MT7621_PCIE2_RST)
133
134 #define RT3883_PCI_RST (1<<24)
135 #define RT3883_PCI_CLK (1<<19)
136 #define RT3883_PCI_HOST_MODE (1<<7)
137 #define RT3883_PCIE_RC_MODE (1<<8)
138 /* End of chip specific defines */
139
140 #define MT_WRITE32(sc, off, val) \
141 bus_write_4((sc)->pci_res[0], (off), (val))
142 #define MT_WRITE16(sc, off, val) \
143 bus_write_2((sc)->pci_res[0], (off), (val))
144 #define MT_WRITE8(sc, off, val) \
145 bus_write_1((sc)->pci_res[0], (off), (val))
146 #define MT_READ32(sc, off) \
147 bus_read_4((sc)->pci_res[0], (off))
148 #define MT_READ16(sc, off) \
149 bus_read_2((sc)->pci_res[0], (off))
150 #define MT_READ8(sc, off) \
151 bus_read_1((sc)->pci_res[0], (off))
152
153 #define MT_CLR_SET32(sc, off, clr, set) \
154 MT_WRITE32((sc), (off), ((MT_READ32((sc), (off)) & ~(clr)) | (off)))
155
156 #endif /* __MTK_PCIE_H__ */
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